re meta#268 Make the article boxes less rounded

Found that it still looks better to actually keep the shaddow, just make
it much more suddle.

src/components/Article.vue

@@ -58,11 +58,11 @@ export default {
 <style>
 article {
   position: relative;
-  padding: 10px;
+  padding: 14px;
   margin: 10px;
-  border-radius: 10px;
+  border-radius: 2px;
   background-color: #FFFFFF;
-  box-shadow: 10px 5px 5px rgba(0, 0, 0, 0.5);
+  box-shadow: 1px 1px 4px rgba(0.5, 0.5, 0.5, 0.2);
 }
 
 h3 {